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66 lines
2.0 KiB
Python
66 lines
2.0 KiB
Python
# Copyright 2021 Collate
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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Module containing the logic to toggle DAG state between enabled/disabled
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"""
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from airflow import settings
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from airflow.models import DagModel
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from flask import Response
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from openmetadata_managed_apis.api.response import ApiResponse
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def _update_dag_state(dag_id: str, paused: bool, message: str) -> Response:
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"""
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Given a DAG id, a boolean and a message, update
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the DAG state between paused or unpaused.
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:param dag_id: DAG to update
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:param paused: state to set
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:param message: message to return
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:return: API Response
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"""
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with settings.Session() as session:
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dag_model: DagModel = (
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session.query(DagModel).filter(DagModel.dag_id == dag_id).first()
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)
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if not dag_model:
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return ApiResponse.not_found(f"DAG {dag_id} not found.")
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dag_model.is_paused = paused
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session.commit()
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return ApiResponse.success({"message": message})
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def enable_dag(dag_id: str) -> Response:
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"""
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Unpause the DAG
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:param dag_id: DAG to find
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:return: API Response
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"""
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return _update_dag_state(
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dag_id=dag_id, paused=False, message=f"DAG {dag_id} has been enabled"
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)
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def disable_dag(dag_id: str) -> Response:
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"""
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Pause the DAG
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:param dag_id: DAG to find
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:return: API Response
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"""
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return _update_dag_state(
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dag_id=dag_id, paused=True, message=f"DAG {dag_id} has been disabled"
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)
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